/* roulang page: index */
:root {
            --bg-primary: #0A0B0F;
            --bg-secondary: #111318;
            --bg-card: #171A21;
            --accent-gold: #C5A059;
            --accent-gold-bright: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #A6ACAF;
            --text-muted: #7A8087;
            --border-subtle: #23262D;
            --border-gold: rgba(197, 160, 89, 0.4);
            --danger: #E5484D;
            --success: #2FBF71;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 24px rgba(0,0,0,0.25);
            --shadow-gold: 0 0 24px rgba(197,160,89,0.18);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: color .2s ease; }
        a:hover { color: var(--accent-gold-bright); }
        img { max-width: 100%; display: block; }
        button { cursor: pointer; font-family: inherit; }
        .container-custom { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* Header */
        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(10,11,15,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo-brand {
            display: flex; align-items: center; gap: 10px;
            font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em;
            color: var(--text-primary);
        }
        .logo-brand .logo-icon {
            width: 36px; height: 36px; border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-bright));
            display: flex; align-items: center; justify-content: center;
            color: #0A0B0F; font-size: 1.1rem; font-weight: 900;
        }
        .logo-brand:hover { color: var(--accent-gold-bright); }
        .nav-primary { display: flex; align-items: center; gap: 28px; }
        .nav-primary a {
            font-size: 0.95rem; color: var(--text-secondary);
            padding: 8px 0; position: relative; font-weight: 500;
        }
        .nav-primary a:hover { color: var(--text-primary); }
        .nav-primary a.active { color: var(--accent-gold-bright); }
        .nav-primary a.active::after {
            content: ''; position: absolute; left: 0; bottom: -2px;
            width: 100%; height: 2px; background: var(--accent-gold-bright); border-radius: 2px;
        }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .btn-login { background: transparent; border: 1px solid var(--border-subtle); color: var(--text-secondary); padding: 8px 18px; border-radius: 6px; font-size: 0.9rem; font-weight: 500; transition: all .2s; }
        .btn-login:hover { border-color: var(--accent-gold); color: var(--text-primary); }
        .btn-signup { background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-bright)); color: #0A0B0F; padding: 9px 20px; border-radius: 6px; font-size: 0.9rem; font-weight: 700; transition: all .2s; border: none; }
        .btn-signup:hover { transform: translateY(-1px); box-shadow: var(--shadow-gold); color: #0A0B0F; }
        .nav-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; }

        /* Hero */
        .hero-section {
            position: relative; overflow: hidden;
            background: linear-gradient(180deg, #0A0B0F 0%, #12141A 100%);
            padding: 90px 0 80px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-section::before {
            content: ''; position: absolute; top: -50%; right: -20%;
            width: 600px; height: 600px; border-radius: 50%;
            background: radial-gradient(circle, rgba(197,160,89,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; position: relative; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(197,160,89,0.1); border: 1px solid var(--border-gold);
            color: var(--accent-gold); font-size: 0.8rem; font-weight: 600;
            padding: 6px 14px; border-radius: 100px; margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .hero-badge .live-dot {
            width: 8px; height: 8px; border-radius: 50%;
            background: var(--danger); animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%,100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.4); }
        }
        .hero-title {
            font-size: 3.2rem; font-weight: 800; line-height: 1.15;
            letter-spacing: -0.02em; margin-bottom: 22px;
            color: var(--text-primary);
        }
        .hero-title .gold { color: var(--accent-gold-bright); }
        .hero-desc {
            font-size: 1.1rem; color: var(--text-secondary);
            max-width: 540px; margin-bottom: 30px; line-height: 1.7;
        }
        .hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-bright));
            color: #0A0B0F; padding: 14px 30px; border-radius: 8px;
            font-size: 1rem; font-weight: 700; border: none; transition: all .2s;
            display: inline-flex; align-items: center; gap: 10px;
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-gold); color: #0A0B0F; }
        .btn-outline {
            background: transparent; border: 1px solid var(--border-gold);
            color: var(--accent-gold-bright); padding: 14px 28px; border-radius: 8px;
            font-size: 1rem; font-weight: 600; transition: all .2s;
            display: inline-flex; align-items: center; gap: 10px;
        }
        .btn-outline:hover { background: rgba(197,160,89,0.08); color: var(--text-primary); }
        .hero-stats { display: flex; gap: 28px; margin-top: 34px; flex-wrap: wrap; }
        .hero-stat .stat-num { font-size: 1.6rem; font-weight: 800; color: var(--accent-gold-bright); }
        .hero-stat .stat-label { font-size: 0.85rem; color: var(--text-muted); }
        .hero-visual {
            position: relative; border-radius: var(--radius-lg); overflow: hidden;
            border: 1px solid var(--border-gold); box-shadow: var(--shadow-card);
        }
        .hero-visual img { width: 100%; height: 420px; object-fit: cover; }
        .hero-visual::after {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(10,11,15,0.1) 0%, rgba(10,11,15,0.6) 100%);
        }
        .hero-visual .hero-overlay-text {
            position: absolute; bottom: 20px; left: 20px; right: 20px;
            z-index: 2; color: var(--text-primary);
        }
        .hero-overlay-text .overlay-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
        .hero-overlay-text .overlay-sub { font-size: 0.9rem; color: var(--text-secondary); }

        /* Countdown Bar */
        .countdown-bar {
            background: linear-gradient(90deg, #1A1008, #2A1E0A, #1A1008);
            border-bottom: 1px solid var(--border-gold);
            padding: 14px 0;
        }
        .countdown-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
        .countdown-label { display: flex; align-items: center; gap: 10px; color: var(--accent-gold-bright); font-weight: 600; font-size: 0.95rem; }
        .countdown-timer { display: flex; gap: 10px; }
        .cd-block {
            background: rgba(0,0,0,0.5); border: 1px solid var(--border-gold);
            border-radius: 6px; padding: 8px 14px; text-align: center; min-width: 60px;
        }
        .cd-block .cd-num { font-size: 1.3rem; font-weight: 800; color: var(--text-primary); }
        .cd-block .cd-unit { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
        .countdown-cta { font-weight: 700; color: var(--accent-gold-bright); border-bottom: 1px dashed var(--accent-gold); padding-bottom: 2px; }

        /* Sections */
        .section { padding: 70px 0; }
        .section-alt { background: var(--bg-secondary); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
        .section-label {
            display: inline-block; font-size: 0.8rem; font-weight: 700;
            color: var(--accent-gold); text-transform: uppercase; letter-spacing: 0.08em;
            margin-bottom: 12px;
        }
        .section-title { font-size: 2.1rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 14px; line-height: 1.25; }
        .section-desc { font-size: 1rem; color: var(--text-secondary); max-width: 680px; margin-bottom: 36px; line-height: 1.7; }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

        /* Cards */
        .card-feature {
            background: var(--bg-card); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md); padding: 28px;
            transition: all .25s ease; position: relative; overflow: hidden;
        }
        .card-feature:hover { border-color: var(--border-gold); transform: translateY(-4px); box-shadow: var(--shadow-card); }
        .card-feature .card-icon {
            width: 48px; height: 48px; border-radius: 12px;
            background: rgba(197,160,89,0.12); color: var(--accent-gold-bright);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.3rem; margin-bottom: 18px;
        }
        .card-feature h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
        .card-feature p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.65; }

        .game-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle); overflow: hidden;
            transition: all .25s ease;
        }
        .game-card:hover { border-color: var(--border-gold); transform: translateY(-4px); box-shadow: var(--shadow-card); }
        .game-card .game-thumb { position: relative; height: 180px; overflow: hidden; }
        .game-card .game-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
        .game-card:hover .game-thumb img { transform: scale(1.06); }
        .game-tag {
            position: absolute; top: 12px; left: 12px;
            background: var(--danger); color: #fff; font-size: 0.7rem; font-weight: 700;
            padding: 4px 10px; border-radius: 4px; letter-spacing: 0.03em;
        }
        .game-card .game-body { padding: 18px 20px 20px; }
        .game-card .game-body h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
        .game-card .game-body p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 14px; }

        /* Info List */
        .info-list { list-style: none; }
        .info-list li {
            display: flex; align-items: flex-start; gap: 12px;
            padding: 16px 0; border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary); font-size: 0.95rem;
        }
        .info-list li:last-child { border-bottom: none; }
        .info-list li i { color: var(--accent-gold-bright); margin-top: 3px; }

        /* Steps */
        .step-flow { display: flex; gap: 20px; flex-wrap: wrap; }
        .step-item {
            flex: 1; min-width: 200px; background: var(--bg-card);
            border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
            padding: 24px; position: relative;
        }
        .step-number {
            width: 32px; height: 32px; border-radius: 50%;
            background: var(--accent-gold); color: #0A0B0F;
            display: flex; align-items: center; justify-content: center;
            font-weight: 800; font-size: 0.9rem; margin-bottom: 14px;
        }
        .step-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
        .step-item p { font-size: 0.9rem; color: var(--text-secondary); }

        /* FAQ */
        .faq-list { max-width: 800px; }
        .faq-item {
            background: var(--bg-card); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md); margin-bottom: 14px; overflow: hidden;
            transition: all .2s;
        }
        .faq-item.active { border-color: var(--border-gold); }
        .faq-question {
            width: 100%; background: none; border: none; color: var(--text-primary);
            font-size: 1rem; font-weight: 600; padding: 20px 24px;
            display: flex; align-items: center; justify-content: space-between; gap: 16px;
            text-align: left;
        }
        .faq-question i { color: var(--accent-gold); transition: transform .3s; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height .35s ease;
            padding: 0 24px; color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7;
        }
        .faq-item.active .faq-answer { max-height: 300px; padding-bottom: 20px; }

        /* News List */
        .news-list { display: flex; flex-direction: column; gap: 14px; }
        .news-item {
            display: flex; align-items: center; gap: 18px;
            background: var(--bg-card); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md); padding: 18px 22px;
            transition: all .2s;
        }
        .news-item:hover { border-color: var(--border-gold); transform: translateX(4px); }
        .news-item .news-date {
            min-width: 56px; text-align: center; color: var(--accent-gold);
            font-weight: 700; font-size: 0.9rem;
        }
        .news-item .news-info h4 { font-size: 0.98rem; font-weight: 600; margin-bottom: 4px; }
        .news-item .news-info p { font-size: 0.85rem; color: var(--text-muted); }

        /* Changelog */
        .changelog { max-width: 680px; }
        .changelog-item { display: flex; gap: 20px; padding-bottom: 24px; position: relative; }
        .changelog-item::before {
            content: ''; position: absolute; left: 6px; top: 16px; bottom: 0;
            width: 2px; background: var(--border-subtle);
        }
        .changelog-item:last-child::before { display: none; }
        .changelog-dot {
            width: 14px; height: 14px; border-radius: 50%;
            background: var(--accent-gold); flex-shrink: 0; margin-top: 6px;
            box-shadow: 0 0 12px rgba(197,160,89,0.5);
        }
        .changelog-content h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
        .changelog-content p { font-size: 0.9rem; color: var(--text-secondary); }

        /* Guarantee Bar */
        .guarantee-bar {
            display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between;
        }
        .guarantee-item {
            display: flex; align-items: center; gap: 12px;
            color: var(--text-secondary); font-size: 0.92rem; font-weight: 500;
        }
        .guarantee-item i { color: var(--success); font-size: 1.2rem; }

        /* Ticket Comparison */
        .ticket-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .ticket-card {
            background: var(--bg-card); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md); padding: 30px 24px;
            position: relative; transition: all .25s;
        }
        .ticket-card:hover { border-color: var(--border-gold); transform: translateY(-4px); }
        .ticket-card.featured { border-color: var(--accent-gold); background: linear-gradient(180deg, #1A1710, var(--bg-card)); }
        .ticket-badge {
            position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
            background: var(--accent-gold); color: #0A0B0F; font-size: 0.7rem;
            font-weight: 800; padding: 4px 14px; border-radius: 100px;
            letter-spacing: 0.04em;
        }
        .ticket-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
        .ticket-price { font-size: 1.8rem; font-weight: 800; color: var(--accent-gold-bright); margin-bottom: 16px; }
        .ticket-card ul { list-style: none; margin-bottom: 20px; }
        .ticket-card ul li {
            font-size: 0.88rem; color: var(--text-secondary);
            padding: 6px 0; border-bottom: 1px solid var(--border-subtle);
            display: flex; align-items: center; gap: 8px;
        }
        .ticket-card ul li i { color: var(--success); font-size: 0.8rem; }

        /* Footer */
        .site-footer {
            background: #08090B; border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 30px; }
        .footer-brand p { font-size: 0.9rem; color: var(--text-secondary); margin-top: 12px; max-width: 300px; }
        .footer-col h5 { font-size: 0.9rem; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
        .footer-col a { display: block; font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 10px; }
        .footer-col a:hover { color: var(--accent-gold-bright); }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle); padding-top: 20px;
            display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
            font-size: 0.8rem; color: var(--text-muted);
        }
        .footer-bottom .legal { display: flex; gap: 18px; }
        .footer-bottom .legal a { color: var(--text-muted); }
        .footer-bottom .legal a:hover { color: var(--accent-gold-bright); }

        /* FAB */
        .fab-support {
            position: fixed; left: 16px; bottom: 96px; z-index: 50;
            width: 56px; height: 56px; border-radius: 50%;
            background: rgba(10,11,15,0.85); backdrop-filter: blur(8px);
            border: 2px solid var(--accent-gold);
            display: flex; align-items: center; justify-content: center;
            color: var(--accent-gold-bright); font-size: 1.3rem;
            box-shadow: 0 0 20px rgba(197,160,89,0.3);
            transition: all .25s; opacity: 0.7;
            animation: float-breathe 3s ease-in-out infinite;
        }
        .fab-support:hover { transform: scale(1.1); opacity: 1; box-shadow: 0 0 30px rgba(197,160,89,0.5); }
        @keyframes float-breathe {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; gap: 40px; }
            .hero-visual img { height: 320px; }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .ticket-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-primary {
                display: none; position: absolute; top: 68px; left: 0; right: 0;
                background: rgba(10,11,15,0.98); flex-direction: column;
                padding: 20px; gap: 16px; border-bottom: 1px solid var(--border-subtle);
            }
            .nav-primary.open { display: flex; }
            .nav-toggle { display: block; }
            .header-actions .btn-login, .header-actions .btn-signup { display: inline-flex; }
            .hero-title { font-size: 2.2rem; }
            .section-title { font-size: 1.7rem; }
            .grid-2 { grid-template-columns: 1fr; }
            .grid-3 { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr; }
            .countdown-inner { flex-direction: column; align-items: flex-start; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .fab-support { bottom: 80px; left: 12px; }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 1.8rem; }
            .hero-desc { font-size: 0.98rem; }
            .hero-stats { gap: 18px; }
            .hero-stat .stat-num { font-size: 1.3rem; }
            .header-actions { gap: 8px; }
            .btn-login { padding: 6px 12px; font-size: 0.82rem; }
            .btn-signup { padding: 7px 14px; font-size: 0.82rem; }
        }

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: rgba(209, 242, 235, 0.75);
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --font-primary: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-primary);
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: #FFE44D;
            text-decoration: none;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .logo-brand:hover {
            color: var(--accent-gold);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #FFD700, #B8860B);
            border-radius: 50%;
            color: #0A2E1C;
            font-size: 1.1rem;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }

        .nav-primary {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-primary a {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 30px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-primary a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-primary a.active {
            color: #0A2E1C;
            background: var(--accent-gold);
            font-weight: 700;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            padding: 9px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            background: #FFE44D;
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-white);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        /* Article Page Layout */
        .article-page {
            flex: 1;
            padding-top: 68px;
        }

        .article-hero {
            background: linear-gradient(160deg, #0A2E1C 0%, #123E25 40%, #0A2E1C 100%);
            padding: 50px 0 40px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .article-hero-inner {
            position: relative;
            z-index: 1;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: var(--text-mint);
        }

        .article-breadcrumb a:hover {
            color: var(--accent-gold);
        }

        .article-breadcrumb .sep {
            color: var(--accent-gold);
        }

        .article-category-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            padding: 5px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .article-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            max-width: 900px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        /* Article Body */
        .article-body-wrapper {
            padding: 48px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-featured-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-gold);
        }

        .article-featured-img img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-mint);
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 36px 0 16px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 28px 0 12px;
            letter-spacing: -0.2px;
            line-height: 1.35;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 24px;
            padding: 0;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content strong {
            color: var(--accent-gold);
            font-weight: 600;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 16px 22px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-white);
        }

        .article-content img {
            border-radius: var(--radius-sm);
            margin: 20px 0;
        }

        .article-content a {
            color: var(--accent-gold);
            border-bottom: 1px dashed var(--border-gold);
        }

        .article-content a:hover {
            border-bottom-color: var(--accent-gold);
        }

        .article-actions {
            display: flex;
            gap: 14px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .btn-download-article {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            padding: 14px 30px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-download-article:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

        .btn-outline-article {
            background: transparent;
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline-article:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px dashed rgba(255, 255, 255, 0.15);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
            opacity: 0.6;
        }

        .article-not-found h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 88px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--secondary-bg);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.2px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .sidebar-post-item:last-child {
            border-bottom: none;
        }

        .sidebar-post-item:hover {
            transform: translateX(4px);
        }

        .sidebar-post-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border-gold);
        }

        .sidebar-post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-post-info h5 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-post-info span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .sidebar-cta {
            background: linear-gradient(135deg, #123E25, #1a4d30);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .sidebar-cta i {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .sidebar-cta h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .sidebar-cta p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .btn-sidebar-cta {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            padding: 12px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-gold);
        }

        .btn-sidebar-cta:hover {
            background: #FFE44D;
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: #071F13;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 56px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 14px;
            max-width: 380px;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .legal {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .legal a {
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        .legal a:hover {
            color: var(--accent-gold);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: #1A1A1A;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: var(--shadow-gold);
            opacity: 0.7;
            transition: var(--transition);
            animation: fabBreath 3s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            animation: none;
        }

        .fab-left:active {
            transform: scale(0.95);
        }

        .fab-left .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 10px;
            height: 10px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #1A1A1A;
            animation: blinkDot 1.5s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .sidebar-cta {
                grid-column: 1 / -1;
            }

            .article-featured-img img {
                height: 340px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }

            .nav-primary {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.97);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                z-index: 99;
                max-height: 70vh;
                overflow-y: auto;
            }

            .nav-primary.open {
                transform: translateY(0);
            }

            .nav-primary a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .nav-toggle {
                display: flex;
            }

            .logo-brand span:last-child {
                font-size: 1.05rem;
            }

            .article-hero {
                padding: 32px 0 28px;
            }

            .article-hero h1 {
                font-size: 1.6rem;
            }

            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }

            .article-body-wrapper {
                padding: 28px 0 40px;
            }

            .article-featured-img img {
                height: 220px;
            }

            .article-content {
                font-size: 0.98rem;
                line-height: 1.7;
            }

            .article-content h2 {
                font-size: 1.35rem;
            }

            .article-content h3 {
                font-size: 1.15rem;
            }

            .article-actions {
                flex-direction: column;
            }

            .btn-download-article,
            .btn-outline-article {
                justify-content: center;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }

            .legal {
                justify-content: center;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

            .fab-left {
                left: 14px;
                bottom: 76px;
                width: 46px;
                height: 46px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .header-actions {
                gap: 6px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .logo-brand span:last-child {
                font-size: 0.95rem;
            }

            .article-hero h1 {
                font-size: 1.4rem;
            }

            .article-featured-img img {
                height: 180px;
            }

            .article-category-badge {
                font-size: 0.72rem;
                padding: 4px 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0F0C20;
            --bg-ocean: #0B1A30;
            --bg-card: #15112B;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-cyber: rgba(0, 240, 255, 0.25);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 20px rgba(204, 255, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --font-main: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-white);
            font-family: var(--font-main);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: var(--accent-lime);
        }

        img {
            max-width: 100%;
            display: block;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        /* Header */
        .site-header {
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: var(--space-sm) var(--space-md);
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .logo-icon {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--bg-deep);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: var(--shadow-neon);
        }

        .nav-primary {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex-wrap: wrap;
        }

        .nav-primary a {
            color: var(--text-silver);
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.3s, border-color 0.3s;
            font-size: 0.95rem;
        }

        .nav-primary a.active,
        .nav-primary a:hover {
            color: var(--accent-cyan);
            border-bottom-color: var(--accent-cyan);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: var(--shadow-neon);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #99cc00);
            border: none;
            color: var(--bg-deep);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: var(--shadow-lime);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(204, 255, 0, 0.5);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-cyber);
            color: var(--text-white);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 1.3rem;
            cursor: pointer;
        }

        /* Hero Section - Dark info panel */
        .hero-category {
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-ocean) 100%);
            padding: var(--space-xl) 0 var(--space-lg);
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--space-lg);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-left h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--space-sm);
            background: linear-gradient(135deg, #fff 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-left .subtitle {
            font-size: 1.2rem;
            color: var(--text-silver);
            margin-bottom: var(--space-md);
            max-width: 600px;
            line-height: 1.6;
        }

        .hero-cta-row {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-top: var(--space-md);
        }

        .btn-primary-large {
            background: linear-gradient(135deg, var(--accent-lime), #b8e600);
            color: var(--bg-deep);
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: var(--shadow-lime);
        }

        .btn-primary-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(204, 255, 0, 0.6);
        }

        .btn-outline-large {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-outline-large:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: var(--shadow-neon);
        }

        .hero-right-panel {
            background: rgba(21, 17, 43, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-cyber);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
        }

        .hero-right-panel h3 {
            font-size: 1.2rem;
            color: var(--accent-cyan);
            margin-bottom: var(--space-sm);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .rank-list {
            list-style: none;
        }

        .rank-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
        }

        .rank-list li span:first-child {
            color: var(--text-silver);
        }

        .rank-list li span:last-child {
            font-weight: 700;
            color: var(--accent-lime);
        }

        /* Countdown Section */
        .countdown-section {
            background: rgba(11, 26, 48, 0.7);
            border-top: 1px solid var(--border-cyber);
            border-bottom: 1px solid var(--border-cyber);
            padding: var(--space-sm) 0;
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        .countdown-label {
            color: var(--text-silver);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
        }

        .countdown-timer .time-block {
            background: var(--bg-card);
            border: 1px solid var(--border-cyber);
            border-radius: 8px;
            padding: 8px 12px;
            text-align: center;
            min-width: 50px;
        }

        .time-block .number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-lime);
            display: block;
        }

        .time-block .unit {
            font-size: 0.7rem;
            color: var(--text-silver);
            text-transform: uppercase;
        }

        /* Activity Section */
        .activity-section {
            padding: var(--space-xl) 0;
            background: var(--bg-deep);
        }

        .section-head {
            margin-bottom: var(--space-lg);
            max-width: 800px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--space-xs);
            letter-spacing: -0.5px;
        }

        .section-head p {
            color: var(--text-silver);
            font-size: 1.1rem;
        }

        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .activity-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: all 0.4s ease;
            position: relative;
        }

        .activity-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-5px);
        }

        .activity-icon {
            width: 48px;
            height: 48px;
            background: rgba(0, 240, 255, 0.15);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            margin-bottom: var(--space-sm);
        }

        .activity-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--text-white);
        }

        .activity-card p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* Highlight Gallery */
        .gallery-section {
            padding: var(--space-xl) 0;
            background: var(--bg-ocean);
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-sm);
        }

        .gallery-item {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            aspect-ratio: 4/3;
            cursor: pointer;
            border: 1px solid rgba(0, 240, 255, 0.15);
            transition: all 0.4s;
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s;
        }

        .gallery-item:hover img {
            transform: scale(1.08);
        }

        .gallery-item::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 12, 32, 0.7), transparent 60%);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .gallery-item:hover::after {
            opacity: 1;
        }

        .gallery-caption {
            position: absolute;
            bottom: 12px;
            left: 12px;
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            z-index: 2;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .gallery-item:hover .gallery-caption {
            opacity: 1;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--space-xl) 0;
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.08) 0%, rgba(0, 240, 255, 0.05) 100%);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: var(--space-sm);
        }

        .cta-section p {
            color: var(--text-silver);
            max-width: 600px;
            margin: 0 auto var(--space-md);
            font-size: 1.1rem;
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--space-xl) 0;
            background: var(--bg-deep);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-sm);
            padding: var(--space-sm) var(--space-md);
            transition: all 0.3s;
        }

        .faq-item:hover {
            border-color: var(--accent-cyan);
        }

        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }

        .faq-item p {
            color: var(--text-silver);
            font-size: 0.95rem;
            margin: 0;
        }

        /* Footer */
        .site-footer {
            background: #08060F;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .footer-brand p {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-top: var(--space-sm);
            max-width: 320px;
        }

        .footer-col h5 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: var(--space-sm);
            font-size: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-silver);
            margin-bottom: 8px;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

        .footer-col a:hover {
            color: var(--accent-lime);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: var(--space-md);
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        .legal {
            display: flex;
            gap: var(--space-md);
        }

        /* Floating Action Button */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 60;
            background: rgba(15, 12, 32, 0.7);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan)) 1;
            border-radius: 50px;
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: var(--shadow-neon);
            opacity: 0.6;
            transition: all 0.3s ease;
            animation: floatGlow 3s infinite alternate;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
            animation-play-state: paused;
        }

        @keyframes floatGlow {
            0% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.4); }
            100% { box-shadow: 0 0 28px rgba(0, 240, 255, 0.7); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-primary {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-deep);
                padding: var(--space-sm) 0;
                gap: 4px;
            }
            .nav-primary.open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hero-left h1 {
                font-size: 2rem;
            }
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            .countdown-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-login, .btn-signup {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 1.7rem;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .btn-primary-large, .btn-outline-large {
                width: 100%;
                text-align: center;
            }
            .hero-cta-row {
                flex-direction: column;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #111827;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-hotpink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #64748B;
            --border-neon: rgba(0, 240, 255, 0.3);
            --border-subtle: rgba(203, 213, 225, 0.1);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.2);
            --shadow-strong: 0 20px 40px rgba(0, 0, 0, 0.5);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
            --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        
        a:hover {
            color: var(--accent-hotpink);
        }
        
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }
        
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }
        
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) 0;
            transition: all var(--transition-base);
        }
        
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
        }
        
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        
        .logo-brand:hover {
            color: var(--accent-cyan);
        }
        
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            font-size: 1rem;
            box-shadow: var(--shadow-neon);
        }
        
        .nav-primary {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex: 1;
            justify-content: center;
        }
        
        .nav-primary a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        
        .nav-primary a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
        }
        
        .nav-primary a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.12);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.25);
        }
        
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-login,
        .btn-signup {
            padding: 9px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        
        .btn-login {
            background: transparent;
            color: var(--text-silver);
            border: 1px solid var(--border-subtle);
        }
        
        .btn-login:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-white);
            border-color: rgba(203, 213, 225, 0.3);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: var(--text-white);
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 82, 255, 0.6);
        }
        
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-white);
            font-size: 1.4rem;
            padding: 6px;
            border-radius: 8px;
        }
        
        /* Hero */
        .hero-category {
            padding-top: 140px;
            padding-bottom: var(--spacing-lg);
            position: relative;
            background: radial-gradient(ellipse at 30% 20%, rgba(0, 82, 255, 0.15) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 80%, rgba(255, 0, 127, 0.08) 0%, transparent 50%),
                        var(--bg-primary);
            overflow: hidden;
        }
        
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        
        .hero-category .container-custom {
            position: relative;
            z-index: 1;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }
        
        .hero-category h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
            color: var(--text-white);
        }
        
        .hero-category h1 span {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-hotpink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }
        
        .hero-stats {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }
        
        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        
        .stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: -0.01em;
        }
        
        .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        /* Section common */
        .section {
            padding: var(--spacing-lg) 0;
            position: relative;
        }
        
        .section-alt {
            background: var(--bg-secondary);
        }
        
        .section-header {
            margin-bottom: var(--spacing-md);
            text-align: left;
        }
        
        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-xs);
        }
        
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.015em;
            color: var(--text-white);
            margin-bottom: var(--spacing-xs);
        }
        
        .section-desc {
            font-size: 1rem;
            color: var(--text-silver);
            max-width: 720px;
            line-height: 1.7;
        }
        
        /* Tips Cards */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        
        .tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        
        .tip-card:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        
        .tip-card:hover::before {
            opacity: 1;
        }
        
        .tip-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
        }
        
        .tip-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.01em;
        }
        
        .tip-card p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }
        
        .tip-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(0, 82, 255, 0.15);
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
        }
        
        /* Featured Tip */
        .featured-tip {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.12), rgba(0, 240, 255, 0.06));
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
            align-items: center;
            margin-top: var(--spacing-md);
        }
        
        .featured-tip-content h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }
        
        .featured-tip-content p {
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        
        .featured-tip-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }
        
        .featured-tip-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
        }
        
        /* Strategy Steps */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
            counter-reset: step-counter;
        }
        
        .step-item {
            position: relative;
            padding: var(--spacing-md);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            counter-increment: step-counter;
            transition: all var(--transition-base);
        }
        
        .step-item::before {
            content: counter(step-counter);
            position: absolute;
            top: -14px;
            left: 20px;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: var(--text-white);
            font-weight: 800;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            box-shadow: 0 4px 12px rgba(0, 82, 255, 0.4);
        }
        
        .step-item:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
        }
        
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            margin-top: var(--spacing-xs);
        }
        
        .step-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        /* Pro Tips List */
        .protips-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }
        
        .protip-item {
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
            padding: var(--spacing-sm);
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent-cyan);
            transition: all var(--transition-fast);
        }
        
        .protip-item:hover {
            background: rgba(0, 240, 255, 0.05);
            border-left-color: var(--accent-hotpink);
        }
        
        .protip-icon {
            color: var(--accent-cyan);
            font-size: 1rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        
        .protip-item p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
        }
        
        .protip-item strong {
            color: var(--text-white);
        }
        
        /* FAQ */
        .faq-list {
            margin-top: var(--spacing-md);
            max-width: 800px;
        }
        
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        
        .faq-item:hover {
            border-color: var(--border-neon);
        }
        
        .faq-question {
            padding: var(--spacing-sm) var(--spacing-md);
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 0.95rem;
            gap: var(--spacing-sm);
        }
        
        .faq-question i {
            color: var(--accent-cyan);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 var(--spacing-md);
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-sm);
        }
        
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(255, 0, 127, 0.1));
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            margin-top: var(--spacing-md);
        }
        
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }
        
        .cta-section p {
            color: var(--text-silver);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.7;
        }
        
        .btn-cta-primary {
            display: inline-block;
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50px;
            box-shadow: 0 8px 24px rgba(0, 82, 255, 0.5);
            transition: all var(--transition-base);
        }
        
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 82, 255, 0.7);
            color: var(--text-white);
        }
        
        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.7;
            margin-top: var(--spacing-sm);
            max-width: 360px;
        }
        
        .footer-col h5 {
            color: var(--text-white);
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-sm);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        
        .legal {
            display: flex;
            gap: var(--spacing-sm);
        }
        
        .legal a {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        
        .legal a:hover {
            color: var(--accent-cyan);
        }
        
        /* FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.75), rgba(8, 9, 15, 0.75)), linear-gradient(135deg, var(--accent-cyan), var(--accent-hotpink));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-base);
            opacity: 0.6;
            animation: fab-breathe 3s ease-in-out infinite;
        }
        
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
            animation-play-state: paused;
        }
        
        .fab-floating:active {
            transform: scale(0.95);
        }
        
        @keyframes fab-breathe {
            0%, 100% {
                opacity: 0.6;
            }
            50% {
                opacity: 0.85;
            }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .featured-tip {
                grid-template-columns: 1fr;
                padding: var(--spacing-md);
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-primary {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-sm) var(--spacing-md);
                gap: 4px;
                transform: translateY(-120%);
                transition: transform var(--transition-base);
                border-bottom: 1px solid var(--border-subtle);
                z-index: 999;
            }
            
            .nav-primary.open {
                transform: translateY(0);
            }
            
            .nav-primary a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            
            .nav-toggle {
                display: block;
            }
            
            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.75rem;
            }
            
            .hero-category {
                padding-top: 120px;
                padding-bottom: var(--spacing-md);
            }
            
            .tips-grid {
                grid-template-columns: 1fr;
            }
            
            .steps-flow {
                grid-template-columns: 1fr;
            }
            
            .section {
                padding: var(--spacing-md) 0;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .fab-floating {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 1.1rem;
            }
        }
        
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 var(--spacing-sm);
            }
            
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 7px 12px;
                font-size: 0.7rem;
            }
            
            .logo-brand {
                font-size: 0.95rem;
                gap: 6px;
            }
            
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            
            .hero-category h1 {
                font-size: 1.7rem;
            }
            
            .hero-sub {
                font-size: 0.95rem;
            }
            
            .section-title {
                font-size: 1.4rem;
            }
            
            .featured-tip-img img {
                min-height: 180px;
            }
            
            .cta-section {
                padding: var(--spacing-md);
            }
            
            .btn-cta-primary {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0B1A30;
            --bg-darker: #0F0C20;
            --bg-card: #0D1E35;
            --bg-elevated: #112842;
            --accent-neon: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #7C8790;
            --border-neon: rgba(204, 255, 0, 0.25);
            --border-cyan: rgba(0, 240, 255, 0.25);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.15);
            --shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, 'Roboto', sans-serif;
            --font-display: 'Be Vietnam Pro', 'Segoe UI', 'Inter', system-ui, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background: var(--bg-darker);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(0, 240, 255, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(204, 255, 0, 0.03) 0%, transparent 50%);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover,
        a:focus-visible {
            color: var(--accent-neon);
            opacity: 0.9;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            color: var(--text-white);
            line-height: 1.25;
            margin: 0 0 var(--space-sm);
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: var(--space-md);
        }

        h3 {
            font-size: clamp(1.2rem, 2.2vw, 1.5rem);
            font-weight: 600;
        }

        p {
            color: var(--text-silver);
            line-height: 1.65;
            margin: 0 0 var(--space-sm);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(204, 255, 0, 0.12);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            min-height: 72px;
            flex-wrap: wrap;
            padding-top: var(--space-xs);
            padding-bottom: var(--space-xs);
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-white);
            letter-spacing: -0.01em;
            transition: opacity var(--transition-fast);
            white-space: nowrap;
        }

        .logo-brand:hover {
            opacity: 0.85;
            color: var(--text-white);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-cyan));
            border-radius: 50%;
            color: #0F0C20;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
        }

        .nav-primary {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-primary a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-silver);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-primary a:hover {
            background: rgba(204, 255, 0, 0.08);
            color: var(--text-white);
        }

        .nav-primary a.active {
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-neon);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login,
        .btn-signup {
            padding: 10px 20px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-family: var(--font-body);
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            transform: translateY(-1px);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-neon), #A8D800);
            color: #0F0C20;
            box-shadow: 0 4px 18px rgba(204, 255, 0, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(204, 255, 0, 0.5);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            color: var(--text-white);
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: var(--space-xl) 0 var(--space-lg);
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 30% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 30%, rgba(204, 255, 0, 0.06) 0%, transparent 50%);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: var(--space-xl);
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            text-align: left;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(204, 255, 0, 0.1);
            border: 1px solid rgba(204, 255, 0, 0.3);
            border-radius: 999px;
            color: var(--accent-neon);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-md);
            text-transform: uppercase;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-content h1 {
            margin-bottom: var(--space-sm);
            background: linear-gradient(135deg, #FFFFFF 0%, #CCFF00 45%, #00F0FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: var(--space-lg);
        }

        .hero-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent-neon), #A8D800);
            color: #0F0C20;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: 0 6px 24px rgba(204, 255, 0, 0.35);
            font-family: var(--font-body);
        }

        .btn-primary-hero:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 36px rgba(204, 255, 0, 0.5);
            color: #0F0C20;
        }

        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 999px;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1.5px solid rgba(0, 240, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: var(--font-body);
        }

        .btn-outline-hero:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            transform: translateY(-2px);
            color: var(--accent-cyan);
        }

        .hero-stats {
            display: flex;
            gap: var(--space-md);
            margin-top: var(--space-lg);
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-number {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.1;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-progress-card {
            background: rgba(13, 30, 53, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            width: 100%;
            max-width: 380px;
            box-shadow: var(--shadow-elevated);
            position: relative;
            overflow: hidden;
        }

        .hero-progress-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.05) 0%, transparent 60%);
            pointer-events: none;
            animation: slow-rotate 18s linear infinite;
        }

        @keyframes slow-rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .progress-ring-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-md);
            position: relative;
            z-index: 2;
        }

        .progress-ring {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: conic-gradient(var(--accent-cyan) 0deg 252deg, rgba(255, 255, 255, 0.08) 252deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
        }

        .progress-ring-inner {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--bg-deep);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
        }

        .progress-ring-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-neon);
            line-height: 1;
        }

        .progress-ring-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        .progress-info {
            text-align: center;
            margin-bottom: var(--space-md);
            position: relative;
            z-index: 2;
        }

        .progress-info h3 {
            margin-bottom: 4px;
            font-size: 1.1rem;
        }

        .progress-info p {
            font-size: 0.85rem;
            margin: 0;
        }

        .progress-tiers {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .tier-chip {
            padding: 8px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-silver);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .tier-chip.highlight {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
            background: rgba(204, 255, 0, 0.08);
        }

        /* ========== MAIN SECTIONS ========== */
        .main-content {
            padding: var(--space-xl) 0;
        }

        .section-block {
            padding: var(--space-xl) 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .section-block:last-child {
            border-bottom: none;
        }

        .section-header {
            margin-bottom: var(--space-lg);
            text-align: left;
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: var(--space-xs);
        }

        .section-header h2 {
            margin-bottom: var(--space-xs);
        }

        .section-header p {
            font-size: 1.05rem;
            max-width: 640px;
            color: var(--text-silver);
            margin-bottom: 0;
        }

        /* Rule steps */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-md);
        }

        .rule-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .rule-item:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }

        .rule-number {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: var(--space-sm);
        }

        .rule-item h3 {
            font-size: 1.1rem;
            margin-bottom: var(--space-xs);
        }

        .rule-item p {
            font-size: 0.9rem;
            margin-bottom: 0;
            color: var(--text-silver);
        }

        /* Hand rankings table style */
        .hand-ranking-section {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            margin-top: var(--space-lg);
        }

        .hand-ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }

        .hand-ranking-item {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .hand-ranking-item:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .hand-rank-badge {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-cyan));
            color: #0F0C20;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .hand-rank-name {
            font-weight: 600;
            color: var(--text-white);
            font-size: 0.95rem;
        }

        .hand-rank-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-left: auto;
            text-align: right;
        }

        /* Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-md);
        }

        .scenario-card {
            background: var(--bg-elevated);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border-left: 4px solid var(--accent-cyan);
            transition: all var(--transition-smooth);
        }

        .scenario-card:hover {
            border-left-color: var(--accent-neon);
            background: rgba(17, 40, 66, 0.95);
            transform: translateX(4px);
        }

        .scenario-card h3 {
            font-size: 1.05rem;
            margin-bottom: var(--space-xs);
        }

        .scenario-card p {
            font-size: 0.9rem;
            margin-bottom: 0;
            color: var(--text-silver);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: var(--border-cyan);
        }

        .faq-question {
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: var(--space-xs);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .faq-question i {
            color: var(--accent-cyan);
            margin-top: 4px;
            font-size: 0.9rem;
        }

        .faq-answer {
            font-size: 0.9rem;
            color: var(--text-silver);
            margin: 0;
            padding-left: 24px;
        }

        /* CTA Section */
        .cta-section {
            background: radial-gradient(ellipse at center, rgba(204, 255, 0, 0.08) 0%, transparent 60%),
                var(--bg-deep);
            border: 1px solid rgba(204, 255, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            text-align: center;
            margin: var(--space-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
            pointer-events: none;
            animation: pulse-glow 4s ease-in-out infinite;
        }

        @keyframes pulse-glow {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        .cta-section h2 {
            margin-bottom: var(--space-sm);
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            position: relative;
            z-index: 2;
            max-width: 520px;
            margin: 0 auto var(--space-lg);
            font-size: 1.05rem;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-cyan));
            color: #0F0C20;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: 0 8px 30px rgba(204, 255, 0, 0.4);
            font-family: var(--font-body);
            position: relative;
            z-index: 2;
        }

        .btn-cta-large:hover {
            transform: translateY(-4px) scale(1.03);
            box-shadow: 0 16px 45px rgba(204, 255, 0, 0.6);
            color: #0F0C20;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid rgba(204, 255, 0, 0.12);
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: var(--space-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .footer-brand p {
            font-size: 0.9rem;
            max-width: 320px;
            line-height: 1.65;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--accent-neon);
            margin-bottom: 4px;
        }

        .footer-col a {
            color: var(--text-silver);
            font-size: 0.85rem;
            transition: color var(--transition-fast), transform var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent-cyan);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-wrap: wrap;
        }

        .footer-bottom span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .legal {
            display: flex;
            gap: var(--space-md);
            flex-wrap: wrap;
        }

        .legal a {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .legal a:hover {
            color: var(--accent-cyan);
        }

        /* ========== FAB ========== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.85), rgba(15, 12, 32, 0.85)), linear-gradient(135deg, var(--accent-neon), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            opacity: 0.65;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
            animation-play-state: paused;
        }

        .fab-support:active {
            transform: scale(0.95);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-pink);
            border: 2px solid var(--bg-darker);
            animation: blink-dot 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.65; transform: translateY(0); }
            50% { opacity: 0.85; transform: translateY(-6px); }
        }

        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .hero-visual {
                order: 2;
            }

            .hero-progress-card {
                max-width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: var(--space-sm);
                padding-top: var(--space-sm);
                padding-bottom: var(--space-sm);
            }

            .nav-primary {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                background: rgba(15, 12, 32, 0.98);
                border-radius: var(--radius-md);
                padding: var(--space-sm);
                border: 1px solid rgba(255, 255, 255, 0.08);
            }

            .nav-primary.open {
                display: flex;
            }

            .nav-primary a {
                width: 100%;
                padding: 10px 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-actions {
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .hero-section {
                padding: var(--space-lg) 0;
            }

            .hero-stats {
                gap: var(--space-sm);
            }

            .hero-stat-number {
                font-size: 1.4rem;
            }

            .section-block {
                padding: var(--space-lg) 0;
            }

            .hand-ranking-item {
                flex-wrap: wrap;
                gap: 8px;
            }

            .hand-rank-desc {
                margin-left: 0;
                text-align: left;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
            }

            .fab-support {
                left: 12px;
                bottom: 80px;
                width: 46px;
                height: 46px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 var(--space-sm);
            }

            .header-inner {
                gap: 6px;
            }

            .logo-brand {
                font-size: 1rem;
                gap: 6px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }

            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.75rem;
            }

            .hero-content h1 {
                font-size: 1.9rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary-hero,
            .btn-outline-hero {
                justify-content: center;
                width: 100%;
            }

            .progress-ring {
                width: 110px;
                height: 110px;
            }

            .progress-ring-inner {
                width: 78px;
                height: 78px;
            }

            .progress-ring-number {
                font-size: 1.4rem;
            }

            .cta-section {
                padding: var(--space-lg) var(--space-md);
            }

            .btn-cta-large {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
                font-size: 0.95rem;
            }
        }